Confusing words explained
“sign up” vs “signup” — What’s the Difference?
'signup' (one word) is a noun; 'sign up' is the verb
Key takeaway
Quick Difference: sign up vs signup
'signup' (one word) is a noun; 'sign up' is the verb
sign up vs signup Side-by-Side Comparison
Meaning of sign up
To register or enrol for a service, course, event, or activity by entering your details.
To officially join or register for something, like a website, class, or newsletter.
Use 'sign up' (two words) as a verb. Reserve 'signup' (one word) for nouns.
- Sign up here to join the class.
- You need to sign up for a free account to access all features.
Meaning of signup
Registration or enrollment process.
When you fill out a form to join something online or offline.
Use 'signup' (noun) for the registration form; 'sign up' (verb) for the action.
- The signup was quick and easy.
- I received a confirmation email after the signup.
Usage Notes & Nuance
sign up: In digital contexts, 'sign up' refers to creating an account. The noun 'signup' (one word) describes the registration process or page.
signup: Common in digital contexts; emphasizes registration ease and accessibility.
How to Remember the Difference
Sign up (two words) is what you do; signup (one word) is what it is.
Common Mistakes with sign up and signup
Mistake with sign up
Correct: You must sign up before the deadline.
Mistake with sign up
Correct: Sign up to create a new account.
Mistake with signup
Correct: I need to fill out the signup form.
Mistake with signup
Correct: The signup was completed.
Practice Quiz: sign up or signup?
Choose the word that best completes each real example sentence.
Question 1
_____ here to join the class.
Question 2
You need to _____ for a free account to access all features.
Question 3
The _____ was quick and easy.
Pick at least one answer, then press Check answers to see how you did.
You scored 0 out of 3
Frequently Asked Questions About sign up vs signup
What’s the difference between “sign up” and “signup”?
'signup' (one word) is a noun; 'sign up' is the verb
When should I use “sign up”?
Use 'sign up' (two words) as a verb. Reserve 'signup' (one word) for nouns.
When should I use “signup”?
Use 'signup' (noun) for the registration form; 'sign up' (verb) for the action.
How can I remember sign up vs signup?
Sign up (two words) is what you do; signup (one word) is what it is.
Is it “sign up” or “signup” in example sentences?
Use the quiz above to test the pair with real example sentences from the available word data.